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The nautilus (from Latin nautilus 'paper nautilus', from Ancient Greek ναυτίλος nautílos 'sailor') is an ancient pelagic marine mollusc of the cephalopod family Nautilidae. The nautilus is the sole extant family of the superfamily Nautilaceae and the suborder Nautilina.
Dec 13, 2019 · Nautilus Facts: Habitat, Behavior, Diet. The chambered nautilus ( Nautilus pompilius) is a large, mobile cephalopod which is called a "living fossil" and has been the subject of poetry, artwork, math, and jewelry. They have even inspired the names of submarines and exercise equipment.
The nautilus is a mollusk that uses jet propulsion to roam the ocean deep. Writers, artists, and engineers have long marveled at the nautilus’s beauty and swimming abilities. The chambered or pearly nautilus is a cephalopod (a type of mollusk)—a distant cousin to squids, octopi, and cuttlefish.
May 27, 2024 · What is a nautilus? The nautilus is a mollusk in the cephalopod class that includes cuttlefish, octopus, and squid. It uses jet propulsion to navigate and features an intricate spiral shell.
Nautilus is a living fossil that has remained relatively unchanged for over 500 million years. It is a deep-sea creature that feeds on small fish and crustaceans. Nautilus has a unique anatomy that includes a spiral-shaped shell, two large eyes, and a pair of tentacles.
The chambered nautilus (Nautilus pompilius), also called the pearly nautilus, is the best-known species of nautilus. The shell, when cut away, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral , although it is not a golden spiral .
Jun 7, 2024 · nautilus, either of two genera of cephalopod mollusks: the pearly, or chambered, nautilus (Nautilus), to which the name properly applies; and the paper nautilus (Argonauta), a cosmopolitan genus related to the octopus.
Weight: 1-5 pounds (0.5-2.3 kilograms) Lifespan: Up to 25 years. Key Information. Scientific name: Nautilus pompilius. Predators and Threats: Sharks, and larger fish. Unique adaptations: External shell, and chambered body. Behavior Pattern: Solitary, active during the day. Diet: Fish, shrimp, and squid. Conservation Status: Least concern. i.
The nautilus is the only extant (living) representatives of the subclass Nautiloidea, a once diverse and abundant group that originated in the Cambrian period 500 million years ago (mya) and flourished during the Paleozoic and Mesozoic eras.
Nautiloids are a group of marine cephalopods ( Mollusca) which originated in the Late Cambrian and are represented today by the living Nautilus and Allonautilus. Fossil nautiloids are diverse and species rich, with over 2,500 recorded species. They flourished during the early Paleozoic era, when they constituted the main predatory animals.
